Home / 83,051,722.20-124,577,583.30-78,894,672.60

Finding the Fourth Proportional to 83,051,722.20, 124,577,583.30 and 78,894,672.60

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Solution

The fourth proportional to 83,051,722.20, 124,577,583.30 and 78,894,672.60 is: 118,342,008.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,051,722.20 : 124,577,583.30 = 78,894,672.60 : x
  2. Step 2: Convert to fraction form
    83,051,722.20/124,577,583.30 = 78,894,672.60/x
  3. Step 3: Cross multiply
    83,051,722.20x = 124,577,583.30 × 78,894,672.60
  4. Step 4: Simplify right side
    83,051,722.20x = 9,828,507,647,752,726
  5. Step 5: Solve for x
    x = 9,828,507,647,752,726/83,051,722.20
  6. Step 6: Final answer
    x = 118,342,008.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.